Summary statistics for a_c1_22 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_22 |          1     1123726           .    1123726    1123726

by Jean Roth , jroth@nber.org , 21 Apr 2018